Process and machine for laying a drain conduit



J. BRUINS Feb. 19, 1935.

Filed Jan.

@ffy

Patented Feb. 19, 1935 y UNITED sTATEs AND MACHINE Fon LAYING A DRAIN coNDUIT Y PROCESSV Jan Bruins, Zaandam, Netherlands Application January 25, 1933, serial Nd. 953,551 V In the Netherlands -January 28, ,1932,

4 Claims.

An object is to lay a drain conduit or draining material in such a manner, that it remains well in line and is able therefore to perform its function perfectly a long time. This object is performed by keeping the drain, either material or tubes in line, viewed as well from above as sideways.

A further object is to form the underground passage-way for the drain by pressing the ground chiefly sideways.

A still further object is to introduce supporting boards for drain tubes, in order to obtain a conduit without any interruption owing to one of the drain tubes having sunk to a lower level.

The foregoing and other objects of the invention will be explained hereafter.

In the drawing:

Fig. 1 is a diagrammatic view, partly in section of an improved drain machine.

Fig. 2 is a plan view of two connected boards and Fig. 3 is a sectional View along the line V-V of Fig. 2.

According to the invention the drain conduit is laid by means of a conduit-laying machine 1 having a hollow plow 2, which is internally provided with a guide 3 for the tubes (Fig. l),` which are deposited on the bottom of the passage-way formed as the plow is pulled along through the field. This plow may be either a motor-plow or a cable-plow. The front-part has a cutting-edge 4, which has a height approximately equal to the maximum depth at which the plow is moved through the earth.

tubes of which the delivery opening is situated at the level of the passage-way bottom, at the end of the plow away from the cutting-edge.

Most known drain plows root up the earth, which is not a desirable feature. The described plow pushes the earth sideways and presses it to a homogeneous matter, that later on exerts equal pressures at either side of the material deposited in the passage-way, hence does not disturb its position. A,

The conduit-laying machine represented in Fig. 1 has a frame 8 mounted on wheels and being capable to be pulled by a tractor, by means of cables 9. Here again the plow 2 is hollow and has acutting edge 4. The guide channel for the tubes is marked 3. The plow is at its rear end a trifle broader than the outer diameter of the tubes. The machine has a platform large enough to carry the required material for laying a length of drain conduit of about 300 yards and to perthin supporting boards `which are interconnected The plow may have a single guide for drain (Cl. 111-5) Y mit workmen standing thereon to do their work. Tubes are deposited on the guide 3 as the machine moves on. In order to prevent the tubes of the drain conduit from lying at different levels,

5 at their ends are laid under the tubes. The boards are marked 10 and are introduced in a guide- -channel 11 situated in front of the guide 3 and come therefore under the tube conduit, on the bottom of thepassageway. The guide channel 3 is shown as having a rear wall 20 and a front wall 21, down which the tubes glide. The said front wall 2l serves as the rear wall of the other guide-channel 1l, the front wall of which is indicated at 22. Both channels terminate at their bottom or exhaust end at the line marked 23-23. The connecting of the boards is done on the machine itself whilst it is moving on. Each board is provided with a hole 12 at each end and in one of these holes there is a connecting strip 13, of which the end projecting beyond the board has the shape of a hook 14 (Fig. 3). The boards are introduced in the guide 11 with the stripless end forward and the hole in this end is put on the upwardly directed hook of the preceding board, subsequently the upstanding part of the hook is knocked downwards onto the board and the boards are connected in a manner, which keepsY their ends always at the Lsame level and which allows the boards to follow the curve of the guide channel 3. When a board is gripped between the passage way and the tubes, the following board is pulled in the direction of the arrow 15, the con` nesting link serving thereby as a draw shackle.Y

If desired peat-dust may be poured around the tubes in order to act as filter material to prevent sand and clay entering the tubes at their connecting ends and this stopping up the drain conduit.

This is done by means of a hopper indicated at 16 on Fig. l.

I claim: y

1. A process for laying a drain conduit, comprising forming a passageway in the ground, supporting a series of drain tubes disposed in end-toend relation, together with a similarly disposed series of supporting boards therefor, the said drain tubes being disposed in superposed relation to said supporting boards, passing the related drain tubes and supporting boards, while continuing the support thereof, downwardly and rearwardly into the passageway, and there depositing them in line, the drain tubes resting on top of the supporting boards.

2. A process for laying a drain conduit, comprising forming a passageway in the ground, conl.

necting together in end-to-end relation, a series of boards, supporting a series of drain tubes disposed in end-to-end relation together with said series of interconnecting supporting boards therefor, the said drain tubes being disposed in superposed relation to said supporting boards, passing the related drain tubes and supporting boards, while continuing the support thereof, downwardly and rearwardly into the passageway, and there depositing them in line, the drain tubes resting on top of the supporting boards. i

V3. A process for laying a drain conduit, cornprising forming a passageway in the ground, suplporting a series of drain tubes disposed in end-toend relation, together with a similarly disposed series of supporting boards therefor, linking successive boards together during their insertion into the position where they are supported, the said drain tubes being disposed in superposed relation to said supporting boards, passing the related drain tubes and supporting boards, while continuing thesupport thereof, downwardly and rearv tubes.

JAN BRUINS. 

